gcleaner | 0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101

Analysis

max time kernel
147s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
08-09-2024 12:26

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General

Target

0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe
Size

325KB
MD5

765e8d8db8297ac1ea15a92e3435645a
SHA1

5e337c66f356e57f61fd89362cbfbc49a99a49b3
SHA256

0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101
SHA512

c2f9fa29cfbb960fd8c06112c86be0f13881c38706f18cf8bd414c3dceefbbede3554a9ec64717ce14f9a5368fac12b98d987ee419423796e549ae929dcdb047
SSDEEP

6144:ofb1r7ArF3ZV6lL8x8BP+iBLdKn7wgTLYm/jtg/+M1ZTIauQTdJae1y:8bZArFDCXBPBlMn75Ldby+0TIahdJaek

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

80.66.75.114

45.91.200.135

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3528	1628	WerFault.exe	79

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
796	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	796	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4760	1628	0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe	81
PID 1628 wrote to memory of 4760	1628	0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe	81
PID 1628 wrote to memory of 4760	1628	0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe	81
PID 4760 wrote to memory of 796	4760	cmd.exe	85
PID 4760 wrote to memory of 796	4760	cmd.exe	85
PID 4760 wrote to memory of 796	4760	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe
"C:\Users\Admin\AppData\Local\Temp\0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0910a2551f84a1dc29bbe940e94319826c7b0a2831ae8531ea0555c5f169e101.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1672
  2⤵
  - Program crash
  PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1628 -ip 1628
1⤵
PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BP5TNA7\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1628-11-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1628-3-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1628-7-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/1628-8-0x0000000000400000-0x0000000002B72000-memory.dmp

Filesize
39.4MB

Download
memory/1628-9-0x00000000049D0000-0x0000000004A0B000-memory.dmp

Filesize
236KB

Download
memory/1628-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/1628-15-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1628-2-0x00000000049D0000-0x0000000004A0B000-memory.dmp

Filesize
236KB

Download
memory/1628-28-0x0000000000400000-0x0000000002B72000-memory.dmp

Filesize
39.4MB

Download
memory/1628-31-0x0000000000400000-0x0000000002B72000-memory.dmp

Filesize
39.4MB

Download
memory/1628-39-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1628-38-0x0000000000400000-0x0000000002B72000-memory.dmp

Filesize
39.4MB

Download